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Abstract: A search is reported for a light pseudoscalar Higgs boson decaying to a pair of ? leptons, produced in association with a bb pair, in the context of two-Higgs-doublet models. The results are based on pp collision data at a centre-of-mass energy of 8 TeV collected by the CMS experiment at the LHC and corresponding to an integrated luminosity of 19.7 fb-1. Pseudoscalar boson masses between 25 and 80 GeV are probed. No evidence for a pseudoscalar boson is found and upper limits are set on the product of cross section and branching fraction to ? pairs between 7 and 39 pb at the 95% confidence level. This excludes pseudoscalar A bosons with masses between 25 and 80 GeV, with SM-like Higgs boson negative couplings to down-type fermions, produced in association with bb pairs, in Type II, two-Higgs-doublet models.
Fuente: Physics Letters B, Vol.758, Pp. 296?320 (2016)
Editorial: Elsevier
Fecha de publicación: 01/07/2016
Nº de páginas: 25
Tipo de publicación: Artículo de Revista
DOI: 10.1016/j.physletb.2016.05.003
ISSN: 0370-2693,1873-2445
Url de la publicación: https://doi.org/10.1016/j.physletb.2016.05.003
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